/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package org.emmanuel.vistacontrolador.servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.Resource;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.sql.DataSource;
import org.apache.log4j.Logger;
import org.emmanuel.modelo.dto.PeliculaDTO;
import org.emmanuel.modelo.ejb.BusquedaBean;


/**
 *
 * @author Emmanuel
 */
public class BusquedaServlet extends HttpServlet {
    private static final Logger logger = Logger.getLogger(BusquedaServlet.class);
    @EJB
    private BusquedaBean busquedaBean;
    

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
//        response.setContentType("text/html;charset=UTF-8");
//        PrintWriter out = response.getWriter();
//        try {
//            /* TODO output your page here. You may use following sample code. */
//            out.println("<html>");
//            out.println("<head>");
//            out.println("<title>Servlet BusquedaServlet</title>");            
//            out.println("</head>");
//            out.println("<body>");
//            out.println("<h1>Servlet BusquedaServlet at " + request.getContextPath() + "</h1>");
//            out.println("</body>");
//            out.println("</html>");
//        } finally {            
//            out.close();
//        }  
        HttpSession session = request.getSession();
        List<PeliculaDTO> dtos = new ArrayList<PeliculaDTO>(0);
        
        try {
            String nombreLike = request.getParameter("nombreLike");
            
            if (nombreLike!=null && nombreLike.length()>0){
                dtos = busquedaBean.buscarPeliculasPorNombreLike(nombreLike);
                
                if (!dtos.isEmpty()){
                    session.setAttribute("respuesta", dtos); 
                }else {
                    session.setAttribute("error", "No se encontraron peliculas para:"+nombreLike);
                }
                
            } else {
                session.setAttribute("error", "No se envio el parametro de busqueda" + ""); 
            }
        } catch (Exception e) {
            
            logger.error("error en ejecución del servlet:", e);
            
        }
        
        String url = response.encodeRedirectURL("busquedapeliculas.jsp");
        
        response.sendRedirect(url);
        
                
        
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
